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Main Title Effects of Ozone and Soil Water Deficit on Roots and Shoots of Field-Grown Soybeans.
Author Heggestad, H. E. ; Anderson, E. L. ; Gish, T. J. ; Lee, E. H. ;
CORP Author Agricultural Research Service, Beltsville, MD. Plant Stress Lab.;Corvallis Environmental Research Lab., OR.
Year Published 1988
Report Number EPA/600/J-88/121;
Stock Number PB88-251749
Additional Subjects Ozone ; Air pollution ; Soybean plants ; Field tests ; Soil water ; Stress(Physiology) ; Growth ; Biomass ; Weight(Mass) ; Length ; Yield ; Seeds ; Reprints ; Glycine max ; Roots
Library Call Number Additional Info Location Last
NTIS  PB88-251749 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 22p
Abstract Water-stressed and well-watered soybean (Glycine max cvs.Williams and Corsoy) plants were exposed to increasing seasonal doses of ozone (O3) using open-top field chambers and ambient air plots. Chamber O3 treatments included charcoal filtered (CF) air, non-filtered (NF) air, NF+0.03, NF+0.06 and NF+0.09 ul/liter O3. Soil water potentials measured at 25 and 45 cm averaged - 040 M Pa and -0.05 M Pa, respectively, for the plots in the water-stressed and well-watered series. Total root length/core, root length densities, and biomasses (dry weights) were determined. In both soil moisture regimes, with both cultivars, there was a linear decrease in seed yield and top dry weight as the O3 exposure dose increased.
Supplementary Notes Pub. in Environmental Pollution v50 p259-278 1988. Sponsored by Corvallis Environmental Research Lab., OR.
NTIS Title Notes Journal article.
Title Annotations Reprint: Effects of Ozone and Soil Water Deficit on Roots and Shoots of Field-Grown Soybeans.
PUB Date Free Form c1988
Category Codes 68A; 98D
NTIS Prices PC A03/MF A01
Primary Description 600/02
Document Type NT
Cataloging Source NTIS/MT
Control Number 831528788
Origin NTIS
Type CAT